Improvement in sheet-metal-pipe joints



J'. C. STANTON.

SHEET-METAL PIPE-JOINT.

N0.177,361. Patented Ma'y16,1876.

" UNITED STATES PATENT OFFICE.

J. CLARK STANTON, OF HUTOHINSON, ASSIGNOR OF ONE-HALF HIS RIGHT TO OASSIUS Gr. HALL, OF HALL VALLEY, COLORADO TERRITORY.

IMPROVEMENT lN SHEET-METAL-PIPE JOINTS.

Specification forming part of Letters Patent No. 177,361, dated May' 16, 1876; application filed February 14, 1876.

working upon a hinge, B, whereby the same 1 is closed around the joint F, Fig. 2, after in sertion of three of the four studs N O P B into the three openings 0 D E, Fig. 1, the opening H closes over the remaining stud, after which the whole is securely fastened together by a metal pin, U, Fig. 4, passing through the eyes I J K L M, the whole presenting the appearance shown in Fig. 3.

The studs N O P R, Fig. 2, are made in the following manner: N, by turning up a portion of the seam T; O P R, by strips of metal doubled, and the ends turned outward at right angles, Fig. 5, and firmly fastened in, Fig. 2, by swaging into openings made for the pur pose at O, P, and R. P and R show the back side of the studs.

I'claim- The combination, in a sheet-metal pipe, of the hinged flap, studs, openings, eyes, and metallic pin for connecting .the sections together, substantially as described.

J. CLARK STANTON. Witnesses:

J. W. GROW, J. J. SMITH. 

